Home / 1,207,610.40-1,811,415.60-497,402.40

Finding the Fourth Proportional to 1,207,610.40, 1,811,415.60 and 497,402.40

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Solution

The fourth proportional to 1,207,610.40, 1,811,415.60 and 497,402.40 is: 746,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,610.40 : 1,811,415.60 = 497,402.40 : x
  2. Step 2: Convert to fraction form
    1,207,610.40/1,811,415.60 = 497,402.40/x
  3. Step 3: Cross multiply
    1,207,610.40x = 1,811,415.60 × 497,402.40
  4. Step 4: Simplify right side
    1,207,610.40x = 901,002,466,837.44
  5. Step 5: Solve for x
    x = 901,002,466,837.44/1,207,610.40
  6. Step 6: Final answer
    x = 746,103.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.